Winson Chung 41d58f7100 Add launcher logging of back button ...

Bug: 127848641
Test: adb shell setprop log.tag.UserEvent VERBOSE, then hit back
Change-Id: I020738280d2e51a8a192e577baf48c0b092f22f6
(cherry picked from commit df7d00328c)

2019-04-03 22:41:39 +00:00

..

launcher_dump.proto

Launcher dump proto that will be used for:

2017-04-04 23:06:30 +00:00

launcher_log.proto

Add launcher logging of back button

2019-04-03 22:41:39 +00:00